"The mewing babe in swaddling-clothes, who is treated like a superior being, may perchance become a gentleman; but nature must have given him uncommon faculties if, when pleasure hangs on every bough, he has sufficient fortitude either to exercise his mind or body in order to acquire personal mer...

"A few fundamental truths meet the first enquiry of reason, and appear as clear to an unwarped mind, as that air and bread are necessary to enable the body to fulfil its vital functions; but the opinions which men discuss with so much heat must be simplified and brought back to first principles; ...

"Perhaps the most improving exercise of the mind, confining the argument to the enlargement of the understanding, is the restless enquiries that hover on the boundary, or stretch over the dark abyss of uncertainty."